Electric current and Heating effect

Electricity produces ____________ effect

• Magnetic

• Electric

• Both

• No

Which of the following is a good heating element?

• Copper

• Nichrome

• Plastic

• Wood

Which of the following works on principle of Heating effect of electric current

• 
• 
• 

Long wire generates more heat than shorter wire.

• True

• False

Which wire produces more heat?

• Thick wire

• Thin wire

• Both equally

CFL means?

• Complete fluorescent lamp

• Compact fluorescent lamp

• Complete flickering lamp

Electric bulbs generate more heat because?

• Tungsten is a heating element

• Glass is good conductor of heat

• Gas inside bulb heats up

In case of thunderstorms, we use ______________ to protect appliances.

• Electric fuse

• Switch

• Heating element

Electric fuse breaks when

• Low current passes

• More current passes

• Current is passing constant

Identify it?

• MCB

• Cartridge fuse

• Electric fuse